Product Summary

The HD404899A57H is a low-voltage, 4-bit single-chip microcomputer with a variety of on-chip supporting functions that include an LCD circuit, A/D converter, multifunctional timers, and large-current I/O pins. The HD404899A57H is suitable for system and display panel control in a wide range of applications, including pagers, remote controllers, and home appliances equipped with an LCD display. The HD404899A57H low-voltage, 4-bit single-chip microcomputers with no on-chip A/D converter. Each series is equipped with a 32.768 kHz sub-resonator for realtime clock use, providing a time counting facility, and a variety of low-power modes to reduce current drain.

Parametrics

HD404899A57H absolute maximum ratings: (1)Power supply voltage VCC: -0.3 to +7.0 V; (2)Programming voltage VPP: -0.3 to +14.0 V; (3)Pin voltage VT: -0.3 to VCC+0.3 V; (4)Allowable input current (total)Σl0: 100 mA; (5)Allowable output current (total)-Σ l0: 50 mA; (6)Allowable input current (per pin)l0: 4 mA, 30 mA; (7)Allowable output current (per pin)-l0: 4 mA, 20 mA; (8)Operating temperature Topr: -20 to +75 ℃; (9)Storage temperature Tstg: -55 to +125 ℃.

Features

HD404899A57H features: (1)8-bit input capture circuit (HD404889/HD404899/HD404878 Series); (2)Two timer outputs (including PWM out-put); (3)Two event counter inputs (edge-programmable)(HD404889/HD404899/HD404878 Series)One event counter input (edge-programmable)(HD404868 Series); (4)Clock-synchronous 8-bit serial interface; (5)Subroutine stack up to 16 levels, including interrupts; (6)Four Low-power dissipation modes; (7)Module standby (timers, serial interface, A/D converter); (8)System clock division software switching (1/4 or 1/32); (9)Inputs for return from stop mode (wakeup): 4; (10)Instruction execution time Min. 0.89 μs (fOSC = 4.5 MHz); (11)Operation voltage 1.8 V to 5.5 V.

Diagrams

HD404899A57H pin connection

HD404019R
HD404019R

Other


Data Sheet

Negotiable 
HD404019RFS
HD404019RFS

Other


Data Sheet

Negotiable 
HD404019RH
HD404019RH

Other


Data Sheet

Negotiable 
HD404019RS
HD404019RS

Other


Data Sheet

Negotiable 
HD404054
HD404054

Other


Data Sheet

Negotiable 
HD404094
HD404094

Other


Data Sheet

Negotiable